JPH0527678Y2 - - Google Patents

Description

[Detailed description of the invention] Purpose of the invention (industrial application field) This invention relates to a twin roll blind in which two roll blinds are suspended and supported from a common frame fixed to a window frame, etc. It is.

(Prior art) Conventionally, as a type of roll blind, a winding shaft is rotatably supported on a frame fixed to a window frame etc. via a mounting bracket, and a screen is suspended and supported from the winding shaft. There is a device that allows the screen to be raised and lowered using a lifting device built into the take-up shaft.

(Problem that the invention aims to solve) The width of such roller blinds is usually set appropriately according to the width of the window, but since the entire window is covered with a single screen, the amount of light can be adjusted in detail. I couldn't adjust it. Therefore, it is possible to finely adjust the amount of sunlight by installing multiple roller blinds in parallel.
In such a configuration, it is necessary to secure the dimensions of the support brackets that support the winding shaft at both ends of the frame between both roll blinds, so there is a problem that a non-negligible gap is created between the screens of both roll blinds. .

Structure of the invention (Means for solving the problems) In order to solve the above problems, this invention rotatably supports both ends of the winding shaft on a single frame, and the screen is suspended from the winding shaft. In a roll blind in which a weight bar that supports the screen and is attached to the lower end of the screen is engaged between the frame and the winding shaft to set the upper limit for winding the screen, a mounting piece is provided at the front of the upper edge of the plate-shaped intermediate bracket 14. 18 is provided, and a locking portion 17 that projects upward is provided at the rear of the upper edge, and a locking hole 21 for fitting the locking portion 17 is provided in the frame 3, and the locking portion 17 and the mounting piece 18 are provided. The intermediate bracket 14 can be fixed to the frame 3, and support tubes 16 are provided on both sides of the intermediate bracket 14, and the winding shafts 4, 5 are attached to the support tubes 16.
are rotatably supported, and screens 6 and 7 are suspended from respective winding shafts 4 and 5 to the hooking portion 17 side.

(Function) With the above means, a plurality of winding shafts are supported in close proximity to one frame by the intermediate bracket 14, the screens 6 and 7 are wound up to the upper limit, and the weight bars 8 and 9 are moved to the frame 3. Even when engaged, the hooking portion 17 does not come into contact with the weight bars 8 and 9.

(Embodiment) An embodiment embodying this invention will be described below with reference to the drawings. As shown in FIG.
Winding shafts 4 and 5 are supported in series, and screens 6 and 7 are suspended from the winding shafts 4 and 5, respectively. Weight bars 8 and 9 having the same width as the screens 6 and 7 are suspended from the lower edge of each screen 6 and 7, and operating strings 10 and 11 are suspended from the longitudinal center of each weight bar 8 and 9. has been done.
By operating the operating strings 10 and 11, lifting devices built into the winding shafts 4 and 5 are actuated so that the screens 6 and 7 can be raised and lowered independently.

The frame 3 is fixed to the window frame at three locations, at both ends and at the middle in the longitudinal direction, via attachment fittings 12. Each winding shaft 4, 5 is rotatably supported by support brackets 13 molded from metal at both ends of the frame 3, and rotatably supported by an intermediate bracket 14 molded from synthetic resin at the longitudinally intermediate portion of the frame 3. has been done.

The intermediate bracket 14 will be explained according to FIG.
A support cylinder 16 for rotatably supporting the winding shafts 4 and 5 is provided on both sides of the lower part of the winding shaft. A hook portion 17 is formed at the rear of the upper edge of the hanging portion 15 and projects upward in a hook shape, and the thickness of the hanging portion 17 is slightly thicker than the thickness of the hanging portion 15. Further, a mounting piece 18 is protruded to both sides at the front part of the upper edge of the hanging part 15, and a screw 1 is attached to the tip of the mounting piece 18.
A recess 20 is formed to engage with the head of 9.

At the mounting position of the intermediate bracket 14 of the frame 3, a locking hole 21 for locking the locking portion 17 is formed on one side, and two screw holes 22 are formed on the other side. As shown in FIG.
If screwed in, the intermediate bracket 14 will be attached to the frame 3.
It is becoming fixed.

As shown in FIGS. 2 and 3, one end of the winding shafts 4, 5 is rotatably supported by a support tube 16 on both sides of the intermediate bracket 14, and each screen 6, 7 is connected to the winding shaft 4. , 5 to the hook part 17
The screen 6, 7 is suspended to the side, and the distance between the screens 6, 7 is slightly larger than the thickness of the hook 17.

Now, in the roll blinds 1 and 2 configured in this way, the winding shafts 4 and 5 are supported by the thin intermediate bracket 14 attached to the middle part of the common single frame 3, so that the screen 6 , 7 can be made small, and the amount of daylight can be finely adjusted by raising and lowering each screen 6, 7 independently. and,
Since the intermediate bracket 14 is attached to the frame 3 with a hook 17 and a mounting piece 18 provided at the front and back of its upper edge, the screens 6 and 7 are wound up by the respective winding shafts 4 and 5. Even when the winding diameter of screen 5 increases, the cloth ends of screens 6 and 7 are attached to hook part 1.
7 and the attachment piece 18, and therefore the edges of the fabric of the screens 6 and 7 will not fray.

In addition, since the thickness of the hanging portion 17 is slightly larger than the thickness of the hanging portion 15, the screens 6, 7
Even when the weight bars 8 and 9 are brought into contact with the lower surface of the frame after being hoisted up to the maximum limit,
The ends of the weight bars 8 and 9 never come into contact with the hook 17. Therefore, the weight bars 8, 9 come into contact with the lower surface of the frame 3 evenly over their entire length, so the driving force of the lifting device acts only on a part of the joint between the screens 6, 7 and the weight bars 8, 9. This prevents damage to the joint.

Effects of the invention As detailed above, in this invention, a plurality of winding shafts 4 and 5 can be supported in close proximity to one common frame 3 by the intermediate bracket 14, so that the winding shafts The gap between the screens 6 and 7 hanging down from the screens 4 and 5 can be reduced, and the amount of daylight can be finely adjusted by raising and lowering each screen 6 and 7 independently.
In addition, it is possible to prevent the intermediate bracket 14 from interfering with the weight bars 8, 9, thereby preventing damage to the joints between the screens 6, 7 and the weight bars 8, 9.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view showing the mounting structure of the intermediate bracket that embodies this invention, Fig. 2 is a side view thereof, Fig. 3 is a front view thereof, and Fig. 4 is a front view of a roll blind related to this invention. It is. Frame...3, Winding shaft...4, 5, Screen...6, 7, Weight bar...8, 9, Intermediate bracket...14, Support cylinder...16, Latch part...
17, Mounting piece...18, Locking hole...21.

Claims (1)

[Scope of utility model registration request] Both ends of the winding shaft are rotatably supported by a single frame, a screen is suspended and supported from the winding shaft, and a weight bar attached to the lower end of the screen is engaged between the winding shaft and the frame. In this roll blind, the upper limit of the screen winding is set, a mounting piece 18 is provided at the front of the upper edge of the plate-shaped intermediate bracket 14, and a hooking portion 17 that projects upward is provided at the rear of the upper edge. A locking hole 21 for fitting the locking portion 17 is provided so that the intermediate bracket 14 can be fixed to the frame 3 by the locking portion 17 and the mounting piece 18, and support cylinders 16 are provided on both sides of the intermediate bracket 14. , 2 on the supporting cylinder 16
A double-mounted roll blind characterized in that the ends of book winding shafts 4 and 5 are rotatably supported, and screens 6 and 7 are suspended from each winding shaft 4 and 5 toward a hanging part 17 side.